source/mingwdlltool.cpp

   1 #include <cstdlib>
   2 #include <msp/fs/utils.h>
   3 #include <msp/strings/format.h>
   4 #include "builder.h"
   5 #include "component.h"
   6 #include "exportdefinitions.h"
   7 #include "externaltask.h"
   8 #include "importlibrary.h"
   9 #include "installedfile.h"
  10 #include "mingwdlltool.h"
  11 #include "objectfile.h"
  12 #include "sharedlibrary.h"
  13 #include "sourcepackage.h"
  14
  15 using namespace std;
  16 using namespace Msp;
  17
  18 MingwDllTool::MingwDllTool(Builder &b, const Architecture &a):
  19         Tool(b, a, "DLL")
  20 {
  21         set_command("dlltool", true);
  22 }
  23
  24 Target *MingwDllTool::create_target(const list<Target *> &sources, const string &)
  25 {
  26         if(sources.size()!=1)
  27                 throw invalid_argument("MingwDllTool::create_target");
  28         SharedLibrary &shlib = dynamic_cast<SharedLibrary &>(*sources.front());
  29
  30         list<ObjectFile *> objs;
  31         const Target::Dependencies &depends = shlib.get_dependencies();
  32         for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
  33                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
  34                         objs.push_back(obj);
  35
  36         ExportDefinitions *exp = new ExportDefinitions(builder, *shlib.get_component(), objs);
  37         exp->set_tool(*this);
  38
  39         ImportLibrary *imp = new ImportLibrary(builder, *shlib.get_component(), shlib, *exp);
  40         imp->set_tool(*this);
  41
  42         return imp;
  43 }
  44
  45 Target *MingwDllTool::create_install(Target &target) const
  46 {
  47         if(ImportLibrary *imp = dynamic_cast<ImportLibrary *>(&target))
  48         {
  49                 Tool &copy = builder.get_toolchain().get_tool("CP");
  50                 InstalledFile *inst_tgt = dynamic_cast<InstalledFile *>(copy.create_target(target));
  51                 string link_name = format("lib%s.dll.a", imp->get_shared_library()->get_libname());
  52                 if(link_name!=FS::basename(inst_tgt->get_path()))
  53                         inst_tgt->set_symlink(link_name);
  54                 return inst_tgt;
  55         }
  56         else
  57                 return 0;
  58 }
  59
  60 Task *MingwDllTool::run(const Target &target) const
  61 {
  62         const ImportLibrary *imp = dynamic_cast<const ImportLibrary *>(&target);
  63         const ExportDefinitions *exp = 0;
  64         if(imp)
  65                 exp = &dynamic_cast<const ExportDefinitions &>(*imp->get_dependencies().front());
  66         else
  67                 exp = dynamic_cast<const ExportDefinitions *>(&target);
  68         if(!imp && !exp)
  69                 throw invalid_argument("MingwDllTool::run");
  70
  71         vector<string> argv;
  72         argv.push_back(executable->get_path().str());
  73
  74         /* dlltool is stupid and puts temporary files in the working directory by
  75         default */
  76         argv.push_back("--temp-prefix");
  77         char random[8];
  78         for(unsigned i=0; i<8; ++i)
  79                 random[i] = 'a'+(rand()%26);
  80         argv.push_back(string("/tmp/")+string(random, 8));
  81
  82         const Component &comp = *target.get_component();
  83         FS::Path work_dir = comp.get_package().get_source_directory();
  84
  85         if(imp)
  86         {
  87                 const SharedLibrary &shlib = *imp->get_shared_library();
  88
  89                 argv.push_back("-d");
  90                 argv.push_back(relative(exp->get_path(), work_dir).str());
  91
  92                 argv.push_back("-D");
  93                 if(shlib.get_install_filename().empty())
  94                         argv.push_back(FS::basename(shlib.get_path()));
  95                 else
  96                         argv.push_back(shlib.get_install_filename());
  97
  98                 argv.push_back("-l");
  99                 argv.push_back(relative(imp->get_path(), work_dir).str());
 100         }
 101         else
 102         {
 103                 const Target::Dependencies &depends = exp->get_dependencies();
 104                 for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
 105                 {
 106                         if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
 107                                 argv.push_back(relative(obj->get_path(), work_dir).str());
 108                 }
 109
 110                 // XXX Should use dllexport, but that has some other problems to solve
 111                 argv.push_back("--export-all-symbols");
 112
 113                 argv.push_back("-z");
 114                 argv.push_back(relative(exp->get_path(), work_dir).str());
 115         }
 116
 117         return new ExternalTask(argv, work_dir);
 118 }